docs: def restore(inputfile, destination_root):
      """
      Restore an anchore installation from a previously backed up tar file.
      """
  
      ecode = 0
      try:
          anchore_print('Restoring anchore system from backup file %s ...' % (str(inputfile.name)))
          restoredir = config.restore(destination_root, inputfile)
          anchore_print("Anchore restored.")
      except Exception as err:
          anchore_print_err('operation failed')
          ecode = 1
  
      sys.exit(ecode)